GUBELIN, 18K PERPETUAL CALENDAR MOON PHASE POCKET WATCHImportant information about this lot
Price Realised USD 5,250
Estimate
USD 6,000 - USD 8,000
Estimates do not reflect the final hammer price and do not include buyer's premium, any applicable taxes or artist's resale right. Please see the Conditions of Sale for full details.
A Christie's specialist may contact you to discuss this lot or to notify you if the condition changes prior to the sale.
Lot Essay
The traditional perpetual calendar indicates the date, the day of the week and the months. Unlike a standard calendar watch, the perpetual calendar mechanism ingeniously takes into account the months’ unequal lengths of either 28, 30 or 31 days and the intercalary day of February 29th in a leap-year without requiring manual adjustment. In fact, assuming the watch is kept running, adjustment is only required once per century for three centuries in a row out of every 400 years. This is because in the Gregorian calendar which is a 400 year cycle, the leap-year is omitted three times every 400 years.
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Condition report
A Christie's specialist may contact you to discuss this lot or to notify you if the condition changes prior to the sale.
The condition of lots can vary widely and the nature of the lots sold means that they are unlikely to be in a perfect condition. Lots are sold in the condition they are in at the time of sale.
The case is in very good condition with few light scratches. The hallmarks are visible on the bow and at the base of the stem of the watch. The inside of the case back has scratches and watchmaker's marks. The movement is clean. The hallmarks are visible to case around the movement. The dial and hands are in excellent condition and appear to be original. The 1, 2, and 10 o'clock hour markers have developed a light patina. The minute hand has a light patina and some signs of wear at its tip. The hand at the 6 o'clock sub-register has developed a light patina. The movement is in working order at the time of cataloging, consistent with the age of the watch. The movement has not been tested for accuracy. A service is recommended given the age of the watch.